Product comparison · 2 power supply units

be quiet! Pure Power 11 400W CM vs be quiet! Pure Power 11 500W

65specifications compared
18differ
47identical
2known for one product only

Key differences

Total power
- Pure Power 11 400W CM:400 W
- Pure Power 11 500W:500 W
Peak power
- Pure Power 11 400W CM:450 W
- Pure Power 11 500W:550 W
Input current
- Pure Power 11 400W CM:6 A
- Pure Power 11 500W:8 A
Combined power (+12V)
- Pure Power 11 400W CM:384 W
- Pure Power 11 500W:480 W
Max output current (+12V1)
- Pure Power 11 400W CM:24 A
- Pure Power 11 500W:28 A
Hold time
- Pure Power 11 400W CM:28 ms
- Pure Power 11 500W:23 ms
Motherboard power cable length
- Pure Power 11 400W CM:45 cm
- Pure Power 11 500W:55 cm
Number of PATA power connectors
- Pure Power 11 400W CM:2
- Pure Power 11 500W:3

Side by side

Differences highlightedShow differences only

Comparison of Pure Power 11 400W CM, Pure Power 11 500W
67 specifications	A be quiet! Pure Power 11 400W CM View product	B be quiet! Pure Power 11 500W View product
Power6 differ
Total powerDiffers	400 W	500 W
Peak powerDiffers	450 W	550 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	6 A	8 A
Power factor	0.99	0.99
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)	120 W	120 W
Combined power (+12V)Differs	384 W	480 W
Combined power (+5V)	120 W	120 W
Combined power (-12V)	3.6 W	3.6 W
Combined power (+5Vsb)	15 W	15 W
Max output current (+3.3V)	24 A	24 A
Max output current (+12V1)Differs	24 A	28 A
Max output current (+12V2)	20 A	20 A
Max output current (+5V)	15 A	15 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)	3 A	3 A
Efficiency	92%	92%
Hold timeDiffers	28 ms	23 ms
Power protection features	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces5 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Motherboard power cable lengthDiffers	45 cm	55 cm
Number of PATA power connectorsDiffers	2	3
Number of SATA power connectorsDiffers	5	6
SATA power cable lengthDiffers	450,600,750 mm	500,650,800 mm
PCI Express power connectors (6+2 pin)	2	2
PCI Express power cable length	50 cm	50 cm
CPU power connector (4+4 pin)	Yes	Yes
CPU power cable length	60 cm	60 cm
Floppy disk drive connector	Yes	Yes
Cabling typeDiffers	Semi-Modular	Non-Modular
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	0
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certification	80 PLUS Gold	80 PLUS Gold
ATX version	2.4	2.4
Bearing technology	Rifle	Rifle
Designidentical
Product colour	Black	Black
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Packaging contentidentical
Cables includedKnown for one	AC, SATA	Unknown — not stated by the source
Certificatesidentical
Compliance certificates	RoHS	RoHS
Certification	ErP, WEEE	ErP, WEEE
Safety regulation & standardsidentical
Safety	CE, CB, TÜV, FCC, cTUVus, RCM, BSMI, CU, CCC	CE, CB, TÜV, FCC, cTUVus, RCM, BSMI, CU, CCC
Weight & dimensions2 differ
Width	150 mm	150 mm
DepthDiffers	160 mm	150 mm
Height	86 mm	86 mm
WeightDiffers	1.94 kg	2.05 kg
Packaging data1 differ
Manual	Yes	Yes
Package width	210 mm	210 mm
Package depth	240 mm	240 mm
Package height	96 mm	96 mm
Package weightDiffers	2.23 kg	2.33 kg
Package type	Box	Box
Technical detailsidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Logistics data1 differ
Master (outer) case width	326 mm	326 mm
Master (outer) case length	514 mm	514 mm
Master (outer) case height	241 mm	241 mm
Harmonized System (HS) code	84733020	84733020
Master (outer) case gross weightDiffers	14.5 kg	15.2 kg
Products per master (outer) case	6 pc(s)	6 pc(s)
Other features3 differ
Screws included	Yes	Yes
Cable ties included	Yes	Yes
Noise level (silent mode, <30%)Differs	9.4 dB	9.3 dB
Noise level (quiet mode, 50%)Differs	9.9 dB	9.6 dB
Noise level (full-load mode, 100%)Differs	13.9 dB	21.6 dB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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